KUPER
May 8, 2026
KUPER was listed as a victim on the leak site of the thegentlemen ransomware group; the attack is estimated to have taken place on 2026-05-08. Sector: Technology. Country: Germany. Website: kuper.de. kuper.de Heinrich KUPER GmbH is an internationally active medium-sized company headquartered in Rietberg, Germany, with approximately 120190 employees. The company specializes in developing and manufacturing machines and systems for veneer processing, solid wood working, automated packaging technology, and special-purpose woodworking equipment. As a quality leader in veneer and wood processing technology, KUPER serves customers worldwide with individualized solutions and comprehensive service support.